diff --git a/app/controllers/roles_controller.rb b/app/controllers/roles_controller.rb
index 27861d35d..a5bdd02d2 100644
--- a/app/controllers/roles_controller.rb
+++ b/app/controllers/roles_controller.rb
@@ -26,6 +26,8 @@ class RolesController < ApplicationController
   before_action :find_role, :only => [:show, :edit, :update, :destroy]
   accept_api_auth :index, :show
 
+  include RolesHelper
+
   require_sudo_mode :create, :update, :destroy
 
   def index
@@ -109,6 +111,12 @@ class RolesController < ApplicationController
     end
     @roles = scope.to_a
     @permissions = Redmine::AccessControl.permissions.select {|p| !p.public?}
+    respond_to do |format|
+      format.html
+      format.csv do
+        send_data(permissions_to_csv(@roles, @permissions), :type => 'text/csv; header=present', :filename => 'permissions_export.csv')
+      end
+    end
   end
 
   def update_permissions
diff --git a/app/helpers/roles_helper.rb b/app/helpers/roles_helper.rb
index 79b627dae..032c519c6 100644
--- a/app/helpers/roles_helper.rb
+++ b/app/helpers/roles_helper.rb
@@ -18,4 +18,31 @@
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 module RolesHelper
+  include ApplicationHelper
+
+  def permissions_to_csv(roles, permissions)
+    Redmine::Export::CSV.generate do |csv|
+      # csv header fields
+      headers = [l(:field_cvs_module), l(:label_permissions)] + roles.collect {|role| role.name}
+      csv << headers
+      # csv lines
+      perms_by_module = permissions.group_by {|p| p.project_module.to_s}
+      perms_by_module.keys.sort.each do |mod|
+        perms_by_module[mod].each do |p|
+          names = [
+            l_or_humanize(p.project_module.to_s, :prefix => 'project_module_'),
+            l_or_humanize(p.name, :prefix => 'permission_').to_s,
+          ]
+          fields = names + roles.collect do |role|
+            if role.setable_permissions.include?(p)
+              format_object(role.permissions.include?(p.name), false)
+            else
+              ""
+            end
+          end
+          csv << fields
+        end
+      end
+    end
+  end
 end
diff --git a/app/views/roles/permissions.html.erb b/app/views/roles/permissions.html.erb
index 9cd71b499..ffdf28b54 100644
--- a/app/views/roles/permissions.html.erb
+++ b/app/views/roles/permissions.html.erb
@@ -85,3 +85,6 @@
 <p><%= check_all_links 'permissions_form' %></p>
 <p><%= submit_tag l(:button_save) %></p>
 <% end %>
+<% other_formats_links do |f| %>
+  <%= f.link_to 'CSV' %>
+<% end %>
diff --git a/test/functional/roles_controller_test.rb b/test/functional/roles_controller_test.rb
index 1f2b2c36b..0041297a3 100644
--- a/test/functional/roles_controller_test.rb
+++ b/test/functional/roles_controller_test.rb
@@ -22,6 +22,8 @@ require File.expand_path('../../test_helper', __FILE__)
 class RolesControllerTest < Redmine::ControllerTest
   fixtures :roles, :users, :members, :member_roles, :workflows, :trackers
 
+  include Redmine::I18n
+
   def setup
     User.current = nil
     @request.session[:user_id] = 1 # admin
@@ -270,6 +272,47 @@ class RolesControllerTest < Redmine::ControllerTest
     assert_select 'input[name=?][type=checkbox][value=delete_issues]:not([checked])', 'permissions[3][]'
   end
 
+  def test_permissions_csv_export
+    Role.all do |r|
+      r.permissions=[]
+      r.save!
+    end
+    ['Manager', 'Developer'].each do |name|
+      role = Role.find_by(:name => name)
+      role.permissions = [:edit_issue_notes]
+      role.save!
+    end
+
+    get(
+      :permissions,
+      :params => {
+        :format => 'csv'
+      }
+    )
+    assert_response :success
+
+    assert_equal 'text/csv', @response.media_type
+    lines = @response.body.chomp.split("\n")
+    # Number of lines
+    permissions = Redmine::AccessControl.permissions - Redmine::AccessControl.public_permissions
+    assert_equal permissions.size + 1, lines.size
+    # Headers
+    headers = 'Module,Permissions,' + Role.sorted.pluck(:name).join(',')
+    assert_equal headers, lines.first
+    # Order of permissions
+    permissions = permissions.group_by{|p| p.project_module.to_s}.sort.collect(&:last).flatten
+    module_permission_names = permissions.collect do |p|
+      [
+        l_or_humanize(p.project_module.to_s, :prefix => 'project_module_').presence || '""',
+        l_or_humanize(p.name, :prefix => 'permission_'),
+      ]
+    end
+    assert_equal module_permission_names, (lines[1..-1].collect {|l| l.split(',')[0..1]})
+    # Permissions of Edit notes
+    perm_edit_notes = lines.find {|l| l.start_with?('Issue tracking,Edit notes,')}
+    assert_equal 'Issue tracking,Edit notes,Yes,Yes,No,No,""', perm_edit_notes
+  end
+
   def test_update_permissions
     post(
       :update_permissions,